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    "线性回归\n",
    "- 高斯分布\n",
    "- 最大似然估计MLE\n",
    "- 最小二乘法的本质   \n",
    "\n",
    "Logistic回归\n",
    "- 分类问题的首选算法\n",
    "\n",
    "多分类：Softmax回归  \n",
    "- 目标函数\n",
    "\n",
    "技术点  \n",
    "- 梯度下降算法\n",
    "- 最大似然估计\n",
    "- 特征选择"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "***\n",
    "有监督学习：\n",
    "- 连续值：回归\n",
    "- 离散值：分类"
   ]
  },
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